iBasso DC04U – High-Fidelity USB DAC & Headphone Amplifier with Dual CS43198 The iBasso DC04U is a premium portable USB DAC and headphone amplifier, delivering flagship-level audio performance with exceptional usability. Engineered with dual Cirrus Logic CS43198 DAC chips, this device supports PCM up to 32bit/768kHz and Native DSD512x decoding, ensuring crystal-clear resolution and lifelike detail. Designed around a fully balanced 4-channel amplifier architecture, the DC04U achieves an output power of 980mW 980mW @ 32Ω via its 4.4mm balanced output, making it capable of driving demanding headphones with ease. It also features a 3.5mm single-ended output with 280mW 280mW power, while maintaining ultra-low distortion and a noise floor below 0.1Ω. The stainless steel CNC-machined chassis with tempered glass panels offers rugged durability and premium aesthetics. A 0.96-inch multi-color display provides real-time sample rate and settings feedback, and three physical buttons enable quick access to volume, gain, filter, and other adjustments—no app required. However, with the companion Android UAC app, users gain even deeper control with a 10-band PEQ, 7 preset EQ modes, customizable filters, and precise ±0.1V voltage adjustments. The DC04U also supports SPDIF coaxial output via 3.5mm, microphone input (CTIA protocol), and seamless compatibility with Android, iOS, Windows, macOS, Linux, Switch 2, and PS5 via UAC 1.0/2.0 support. Combining powerful audio hardware, robust construction, extensive software control, and broad platform compatibility, the iBasso DC04U is a true ultra-grade dongle DAC for audiophiles on the move.
